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Triggered single photon emitters based on stimulated parametric scattering in weakly nonlinear systems
Quantum Physics · Submitted 9 Sep 2014
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Finally, using a pulsed excitation we demonstrate theoretically a triggered single photon emitter in a weakly nonlinear system with 33% emission probability.
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The abstract, sentence by sentence
We introduce a scheme of single photon emission based on four-wave mixing in a three mode system with weak Kerr-type nonlinearity. A highly populated lower energy mode results in strong stimulated scattering of particle pairs out of the central mode, which consequently limits the central mode occupation. Thus, the system can be reduced to a $\chi^{(2)}$ nonlinear medium with greatly enhanced interaction constant. As a model setup we consider dipolaritons in semiconductor microcavities. Using the master equation approach we show strong antibunching under continuous wave pump, which largely exceeds the conventional blockade mechanism. Finally, using a pulsed excitation we demonstrate theoretically a triggered single photon emitter in a weakly nonlinear system with 33% emission probability.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We introduce a scheme of single photon emission based on four-wave mixing in a three mode system with weak Kerr-type nonlinearity. | contribution 1.00 | 0.87 | 0.09 | asserted 0.99 |
| s1 | A highly populated lower energy mode results in strong stimulated scattering of particle pairs out of the central mode, which consequently limits the central mode occupation. | method 0.46 | 0.53 | 0.06 | asserted 1.00 |
| s2 | Thus, the system can be reduced to a $\chi^{(2)}$ nonlinear medium with greatly enhanced interaction constant. | interpretation 0.78 | 0.65 | 0.10 | asserted 0.99 |
| s3 | As a model setup we consider dipolaritons in semiconductor microcavities. | method 0.92 | 0.43 | 0.03 | asserted 0.94 |
| s4 | Using the master equation approach we show strong antibunching under continuous wave pump, which largely exceeds the conventional blockade mechanism. | result 0.96 | 0.92 | 0.19 | asserted 1.00 |
| s5 | Finally, using a pulsed excitation we demonstrate theoretically a triggered single photon emitter in a weakly nonlinear system with 33% emission probability. | result 0.94 | 0.93 | 0.72 | asserted 1.00 |
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Original abstract
We introduce a scheme of single photon emission based on four-wave mixing in a three mode system with weak Kerr-type nonlinearity. A highly populated lower energy mode results in strong stimulated scattering of particle pairs out of the central mode, which consequently limits the central mode occupation. Thus, the system can be reduced to a $\chi^{(2)}$ nonlinear medium with greatly enhanced interaction constant. As a model setup we consider dipolaritons in semiconductor microcavities. Using the master equation approach we show strong antibunching under continuous wave pump, which largely exceeds the conventional blockade mechanism. Finally, using a pulsed excitation we demonstrate theoretically a triggered single photon emitter in a weakly nonlinear system with 33% emission probability.
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Other possible directions to achieve single photon emission in weakly nonlinear systems exploit optomechanical setups at criticality [ref] .
Quantum Nonlinear Optics Near Optomechanical Instabilities · Introduction · 0.91
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